PlaySudoku.us
Easy · Puzzle #429
2
6
9
8
7
4
5
3
9
4
6
8
1
4
3
7
6
3
9
5
7
1
2
3
9
5
1
8
4
6
7
9
4
5
1
8
6
6
1
7
2
8
7
4
6
9
3
1
The number of essentially different Sudoku grids (accounting for symmetry) is 5,472,730,538 — about 5.5 billion.
The number of essentially different Sudoku grids (accounting for symmetry) is 5,472,730,538 — about 5.5 billion.
The number of essentially different Sudoku grids (accounting for symmetry) is 5,472,730,538 — about 5.5 billion.
The number of essentially different Sudoku grids (accounting for symmetry) is 5,472,730,538 — about 5.5 billion.